a-a a-i aaa aaf aai aan aas aax aay af- afa aff afi afn afs afx afy ai- aia aif aii ain ais aix aiy an- ana anf ani ann ans anx any as- asa asf asi asn ass asx asy ax- axa axi axn axs axx ay- aya ayf ayi ayn ays ayx faa faf fai fan fas fax fay ffa fff ffi ffn ffs ffx ffy fia fif fii fin fis fix fna fnf fni fnn fns fnx fsa fsf fsi fsn fss fsx fxi fxs fxx fy- fya fyi fyn i-f ia- iaa iaf iai ian ias ifa iff ifi ifn ifs ifx ify iia iif iii iin iis iix in- ina inf ini inn ins inx iny is- isa isf isi isn iss isy ixi ixn ixy iya iys iyy n-i naa naf nai nan nas nax nay nfa nff nfi nfn nfs nia nif nii nin nis nix nna nnf nni nnn nns nsa nsf nsi nsn nss nsx nsy nya nyf nyn nys nyx nyy saa saf sai san sas sax say sfa sff sfi sfn sfs sfx sia sif sii sin sis six sna snf sni snn sns sny ss- ssa ssf ssi ssn sss ssx sxi sxn sxs sy- sya syi syn sys syx xaa xaf xan xas xfa xfn xfs xfx xia xii xin xis xix xna xns xsa xsi xss xxi xxx xxy xyy yaa yaf yai yan yas yax yay yfa yff yfs yif yii yin yis yna ynn yns yny ysa ysi yss ysy yxa yxy yyf yys yyy